55658827392 has 256 divisors, whose sum is σ = 178671360000. Its totient is φ = 14996606976.

The previous prime is 55658827379. The next prime is 55658827409. The reversal of 55658827392 is 29372885655.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11693109 + ... + 11697867.

It is an arithmetic number, because the mean of its divisors is an integer number (697935000).

Almost surely, 2^55658827392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55658827392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89335680000).

55658827392 is an abundant number, since it is smaller than the sum of its proper divisors (123012532608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55658827392 is a wasteful number, since it uses less digits than its factorization.

55658827392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5019 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 60.

The spelling of 55658827392 in words is "fifty-five billion, six hundred fifty-eight million, eight hundred twenty-seven thousand, three hundred ninety-two".